gnucash maint: Free the libofx contexts that gnc_file_ofx_import_process_file gets.

[Mike Alexander]

Updated	 via  https://github.com/Gnucash/gnucash/commit/e3029214 (commit)
	from  https://github.com/Gnucash/gnucash/commit/b07d0932 (commit)



commit e302921404917806a73b0180fcd78ac7b6cffa64
Author: Mike Alexander <mta at umich.edu>
Date:   Mon Jul 13 18:12:51 2020 -0400

    Free the libofx contexts that gnc_file_ofx_import_process_file gets.
    
    It allocates one per file plus one that is unused and
    never frees any of them.



Summary of changes:
 gnucash/import-export/ofx/gnc-ofx-import.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)